Dr. Quack

Of all the doctors I’ve had over the years, the best one was named Quack.
Yes, his name was Quack. And he was great!
When I had an ache in my foot, he cured me of it.
Okay, so he cured me by cutting off my foot, and I admit that was a bit extreme, but it hasn’t hurt since.
The ringing in my ear… solved!
The arthritis in my hand… solved!
The migraines…
Well, those, I’ve still got. I made an appointment with him, but his office was empty.
Except for his guillotine.
Mind pulling the cord for me?